# Example Selector Types

| Name       | Description                                                                                 |
|------------|---------------------------------------------------------------------------------------------|
| Similarity | Uses semantic similarity between inputs and examples to decide which examples to choose.    |
| MMR        | Uses Max Marginal Relevance between inputs and examples to decide which examples to choose. |
| Length     | Selects examples based on how many can fit within a certain length                          |
| Ngram      | Uses ngram overlap between inputs and examples to decide which examples to choose.          |